Abstract
A novel TBAI-catalyzed radical sulfonylation of readily available N,N-dimethylenaminones with sulfonylhydrazides to afford functionalized β-keto-sulfones has been developed. Various functional groups were tolerated well under the present oxidative conditions and the corresponding β-keto-sulfone compounds were obtained in moderate to good yields. Importantly, this transformation offered the first protocol for Csp3S bond formation by oxidative Csp2Csp2 bond cleavage in one step.
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